Can someone explain what this antennas are for? : r/Switzerland

Can someone explain what this antennas are for? : r/Switzerland

Direction finding - Wikipedia

A multi-stable deployable quadrifilar helix antenna with radiation reconfigurability for disaster-prone areas

Direct Conversion of Free Space Millimeter Waves to Optical Domain by Plasmonic Modulator Antenna

Can someone explain what this antennas are for? : r/Switzerland

What is an Antenna? Different Different Types of Antennas & Characteristics of Antenna

Port Analysis - MATLAB & Simulink

This Cell Tower in the Swiss Alps Is Struck by Lightning More Than 100 Times a Year - IEEE Spectrum

Antenna (radio) - Wikipedia

Few antennas array found during a hike in Switzerland 🇨🇭 Looks like direction finding ? What do you think 🧐 : r/radio

Far-field Terminologies - MATLAB & Simulink

Sensors, Free Full-Text